12 Words from the mouth of the wise are gracious, but fools are consumed by their own lips.

Read Ecclesiastes 10:12 Using Other Translations

The words of a wise man's mouth are gracious; but the lips of a fool will swallow up himself.
The words of a wise man's mouth win him favor, but the lips of a fool consume him.
Wise words bring approval, but fools are destroyed by their own words.